package com.example.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.example.common.R;
import com.example.entity.User;
import com.example.service.UserService;
import com.example.utils.SMSUtils;
import com.example.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpSession;
import java.util.Map;

@RestController
@RequestMapping("/user")
@Slf4j
public class UserController {
    @Autowired
    private UserService userService;

    @PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user, HttpSession session){
        //获取手机号
        String phone=user.getPhone();

        if (StringUtils.isNotEmpty(phone)){
            //生成随机的4位验证码
            String code= ValidateCodeUtils.generateValidateCode(4).toString();
            log.info("code:{}",code);

            //调用阿里云提供的短信服务API完成发送短信
            SMSUtils.sendMessage("阿里云短信测试","SMS_154950909",phone,code);

            //需要将生成的验证码保存到session
            session.setAttribute(phone,code);

            return R.success("手机验证码短信发送成功");

        }
        return R.error("手机验证码短信发送失败");
    }
    @PostMapping("/login")
    public R<User> login(@RequestBody Map map,HttpSession session){

        log.info(map.toString());
        //获取手机号
        String phone = map.get("phone").toString();
        //手机验证码
        String code =map.get("code").toString();
//        //从Session中获取保存的验证码
        Object codeInSession = session.getAttribute(phone);
        //进行验证码的对比（页面提交的验证码和Session中保存的验证码比对）
        if (codeInSession!=null&&codeInSession.equals(code)){
//        if ("1234".equals(code)){
            //如果能够比对成功，说明登录成功

            LambdaQueryWrapper<User> lqw=new LambdaQueryWrapper<>();
            lqw.eq(User::getPhone,phone);

            User user=userService.getOne(lqw);
            if (user==null){
                //判断当前的手机号对应的用户是否为新用户，如果时新用户就自动完成注册
                user=new User();
                user.setPhone(phone);
                user.setStatus(1);
                userService.save(user);
            }
            session.setAttribute("user",user.getId());
            return R.success(user);
        }

        return R.error("登录失败");
    }
    //退出登录
    @PostMapping("/loginout")
    public R<String> loginOut(HttpSession session){
        session.removeAttribute("user");
        return R.success("退出成功");
    }
}
